- genetic diversity
- genetic variance
- The phenotypic and genotypic differences among individuals in a population.
Definition from: MeSH via Unified Medical Language System at the National Library of Medicine
- Genetic variation refers to diversity in gene frequencies. Genetic variation can refer to differences between individuals or to differences between populations. Mutation is the ultimate source of genetic variation, but mechanisms such as sexual reproduction and genetic drift contribute to it as well.
Definition from: Talking Glossary of Genetic Terms from the National Human Genome Research Institute
Related discussion in the Handbook
See also Understanding Medical Terminology.